The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.) Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 29 536 32 668 33 677 34 728 27 510 26 497 25 488 24 459 22 455 20 439 1.9 39 1.6 38 1.3 38 1.0 35 0.8 31 (a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth. (b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 49 centimeters. cm

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The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying
reptiles. (A graphing calculator is recommended.)
Pterosaur Data
Humerus, x
Wingspan, y
Humerus, x
Wingspan, y
29
536
32
668
33
677
34
728
27
510
26
497
25
488
24
459
22
455
20
439
1.9
39
1.6
38
1.3
38
1.0
35
0.8
31
(a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth.
ў 3
(b) Use the equation from part (a) to determine, to the nearest cen
eter, the projected wingspan of a pterosaur if its humerus is 49 centimeters.
cm
Transcribed Image Text:The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.) Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 29 536 32 668 33 677 34 728 27 510 26 497 25 488 24 459 22 455 20 439 1.9 39 1.6 38 1.3 38 1.0 35 0.8 31 (a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth. ў 3 (b) Use the equation from part (a) to determine, to the nearest cen eter, the projected wingspan of a pterosaur if its humerus is 49 centimeters. cm
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